X-Git-Url: https://git.lizzy.rs/?a=blobdiff_plain;f=library%2Fcore%2Fsrc%2Fcmp.rs;h=f290e5baf9dd3c21ccdd9c4f979daea388d8e459;hb=886b2c3e005b153b3c8263f48193e0df7de0f5b3;hp=a7d6fec7d3dc1354121ea6058cb766bedc7affbe;hpb=57b371ab145698bce32425dc8566bcf80ac98f63;p=rust.git

diff --git a/library/core/src/cmp.rs b/library/core/src/cmp.rs
index a7d6fec7d3d..f290e5baf9d 100644
--- a/library/core/src/cmp.rs
+++ b/library/core/src/cmp.rs
@@ -22,7 +22,6 @@
 
 #![stable(feature = "rust1", since = "1.0.0")]
 
-use crate::const_closure::ConstFnMutClosure;
 use crate::marker::Destruct;
 
 use self::Ordering::*;
@@ -798,16 +797,7 @@ fn max(self, other: Self) -> Self
         Self: Sized,
         Self: ~const Destruct,
     {
-        #[cfg(not(bootstrap))]
-        {
-            max_by(self, other, Ord::cmp)
-        }
-
-        #[cfg(bootstrap)]
-        match self.cmp(&other) {
-            Ordering::Less | Ordering::Equal => other,
-            Ordering::Greater => self,
-        }
+        max_by(self, other, Ord::cmp)
     }
 
     /// Compares and returns the minimum of two values.
@@ -828,16 +818,7 @@ fn min(self, other: Self) -> Self
         Self: Sized,
         Self: ~const Destruct,
     {
-        #[cfg(not(bootstrap))]
-        {
-            min_by(self, other, Ord::cmp)
-        }
-
-        #[cfg(bootstrap)]
-        match self.cmp(&other) {
-            Ordering::Less | Ordering::Equal => self,
-            Ordering::Greater => other,
-        }
+        min_by(self, other, Ord::cmp)
     }
 
     /// Restrict a value to a certain interval.
@@ -1234,23 +1215,7 @@ pub const fn min_by_key<T, F: ~const FnMut(&T) -> K, K: ~const Ord>(v1: T, v2: T
     F: ~const Destruct,
     K: ~const Destruct,
 {
-    cfg_if! {
-        if #[cfg(bootstrap)] {
-            const fn imp<T, F: ~const FnMut(&T) -> K, K: ~const Ord>(
-                f: &mut F,
-                (v1, v2): (&T, &T),
-            ) -> Ordering
-            where
-                T: ~const Destruct,
-                K: ~const Destruct,
-            {
-                f(v1).cmp(&f(v2))
-            }
-            min_by(v1, v2, ConstFnMutClosure::new(&mut f, imp))
-        } else {
-            min_by(v1, v2, const |v1, v2| f(v1).cmp(&f(v2)))
-        }
-    }
+    min_by(v1, v2, const |v1, v2| f(v1).cmp(&f(v2)))
 }
 
 /// Compares and returns the maximum of two values.
@@ -1325,17 +1290,7 @@ pub const fn max_by_key<T, F: ~const FnMut(&T) -> K, K: ~const Ord>(v1: T, v2: T
     F: ~const Destruct,
     K: ~const Destruct,
 {
-    const fn imp<T, F: ~const FnMut(&T) -> K, K: ~const Ord>(
-        f: &mut F,
-        (v1, v2): (&T, &T),
-    ) -> Ordering
-    where
-        T: ~const Destruct,
-        K: ~const Destruct,
-    {
-        f(v1).cmp(&f(v2))
-    }
-    max_by(v1, v2, ConstFnMutClosure::new(&mut f, imp))
+    max_by(v1, v2, const |v1, v2| f(v1).cmp(&f(v2)))
 }
 
 // Implementation of PartialEq, Eq, PartialOrd and Ord for primitive types